248718713 has 4 divisors (see below), whose sum is σ = 251715408. Its totient is φ = 245722020.

The previous prime is 248718649. The next prime is 248718719. The reversal of 248718713 is 317817842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317817842 = 2 ⋅158908921.

It is a cyclic number.

It is not a de Polignac number, because 248718713 - 2⁶ = 248718649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248718719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498223 + ... + 1498388.

It is an arithmetic number, because the mean of its divisors is an integer number (62928852).

Almost surely, 2^248718713 is an apocalyptic number.

It is an amenable number.

248718713 is a deficient number, since it is larger than the sum of its proper divisors (2996695).

248718713 is an equidigital number, since it uses as much as digits as its factorization.

248718713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996694.

The product of its digits is 75264, while the sum is 41.

The square root of 248718713 is about 15770.8183998168. The cubic root of 248718713 is about 628.8824674682.

The spelling of 248718713 in words is "two hundred forty-eight million, seven hundred eighteen thousand, seven hundred thirteen".